0 1 2 3 Fri 10 Sep 1976 Mon 13 Sep 1976 Thu 16 Sep 1976 Sun 19 Sep 1976 Wed 22 Sep 1976 Sat 25 Sep 1976 Tue 28 Sep 1976 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All